photodissociation
pho·to·dis·so·ci·a·tion
noun \-di-ˌsō-sē-ˈā-shən, -shē-\Definition of PHOTODISSOCIATION
: dissociation of the molecules of a substance (as water) caused by absorption of radiant energy
— pho·to·dis·so·ci·ate \-ˈsō-sē-ˌāt, -shē-\ verb
First Known Use of PHOTODISSOCIATION
1925
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